Which of the following matches correctly?

(1) Inferior vena cava - Receives deoxygenated blood from the head and body

(2) Superior vena cava - Receives deoxygenated blood from the lower body and organs

(3) Pulmonary artery - Carries deoxygenated blood to the lungs

(4) Hepatic artery - Carries deoxygenated blood to the gut

The thread like tendons of papillary muscles inserted upon the flaps of tricuspid and bicuspid valves are

(1) chordae tendinae

(2) yellow elastin fibres

(3) reticulate fibres

(4) collagen fibres

Serum is-

(1) Blood $-$ corpuscles

(2) Blood $-$ corpuscles $-$ clotting factors

(3) Plasma $-$ clotting factors

(4) Both (2) and (3)

Match the following:

1. (i) → r, (ii) → p, (iii) → q

2. (i) → p, (ii) → r, (iii) → q

3. (i) → q, (ii) → p, (iii) → r

4. (i) → r, (ii) → q, (iii) → p

The universal donor and acceptor will be–

(1) O^– and AB^–

(2) O^– and AB⁺

(3) O⁺ and AB^–

(4) O⁺ and AB⁺

Which of the following are not correct:

(i) Spleen is the graveyard for RBC

(ii) All the mammals have biconcave RBCs

(iii) Clotting factors present in plasma are in active form.

(iv) All the substances released by platelets are involved in clotting only.

(1) (i), (iii), (iv)

(2) (ii), (iii), (iv)

(3) (i), (ii), (iii), (iv)

(4) (ii), (iii)

The condition of erythroblastosis foetalis is–

(1) Rh^– female and Rh⁺ male with first Rh⁺ baby

(2) Rh⁺ female and Rh⁺ male with first Rh^– baby

(3) Rh⁺ female and Rh^– male with first Rh^– baby

(4) Rh^– female and Rh^– male with first Rh⁺ baby

Lymph has following properties

(i) Same mineral distribution as that of plasma

(ii) Intestine also has lymph

(iii) Also known as tissue fluid because it helps in exchange

(iv) Lymph plays role in defence as well

How many statements are correct?

(1) 3

(2) 2

(3) 4

(4) 1

In open circulatory system, blood is pumped through

(1) Sinuses to large vessels

(2) Large vessels to sinuses

(3) Cavities to organs

(4) Spaces to large vessels

Consider the following statement with respect to heart:

(i) It has the double walled membranous bag.

(ii) Human heart has four chambers: two larger atria and two median ventricles.

(iii) Human heart is mesodermal in origin and is situated in abdominal cavity.

(iv) There is no clear separation between atria and ventricles.

How many of the statements given above are correct?

(1) 2

(2) 3

(3) 1

(4) all are wrong